七水合磷酸氢二钠

产品名称

七水合磷酸氢二钠, for analysis EMSURE^® ACS

InChI

1S/2Na.H3O4P.7H2O/c;;1-5(2,3)4;;;;;;;/h;;(H3,1,2,3,4);7*1H2/q2*+1;;;;;;;;/p-2

SMILES string

O.O.O.O.O.O.O.[Na+].[Na+].OP([O-])([O-])=O

InChI key

PYLIXCKOHOHGKQ-UHFFFAOYSA-L

grade

ACS reagent

vapor density

4.9 (vs air)

product line

EMSURE^®

assay

98.0-102.0% (acidimetric)

form

solid

potency

12930 mg/kg LD₅₀, oral (Rat)

impurities

≤0.005% Insoluble matter

pH

8.7-9.3 (25 °C, 50 g/L in H₂O)

mp

48 °C (Elimination of water of crystallisation)

solubility

154 g/L

density

1.68 g/mL at 25 °C (lit.)

bulk density

800 kg/m³

anion traces

chloride (Cl^-): ≤0.001%
sulfate (SO₄^2-): ≤0.005%

cation traces

Fe: ≤0.001%
heavy metals: ≤0.001%

storage temp.

2-30°C

Quality Level

300